Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11885366 | Piercing nut and method for fixing the same to inner surface of mating member having closed sectional shape | Shigeki Matsunami, Kazuhiro Koga, Kenichiro ARAKI, Tsuyoshi Kojima, Yuichi KATSUMATA | 2024-01-30 |
| 11878380 | Device and method for fixing nut to inner surface of pipe member | Dan Kitajima, Kenichiro ARAKI, Kazuhiro Koga, Tsuyoshi Kojima | 2024-01-23 |
| 11725685 | Caulking bolt | Yukinori Fujimoto, Shigeki Matsunami | 2023-08-15 |
| 11015630 | Method for attaching nut and collar to plate material and attachment structure of nut and collar to plate material | Yukinori Fujimoto, Kazuhiro Koga, Yuusuke ASAI, Masatoshi Tanabe, Hirotaka Niinomi | 2021-05-25 |